and california senator dianne feinstein recently said female politicians are less confrontational. and better suited to be problem-solvers. we'll ask three female senators how to make congress more effective when "cbs this morning" continues. congress more effective when "cbs this morning" continues. >> announcer: this portion of "cbs this morning" sponsored by lifestyle lift. find out how you can light up your life. ♪ >>> the new congress has a record number of women, 81 in the house and 20 in the senate. and we spoke with three of those senators, minnesota democrat republican of maine and heidi heitkamp from north dakota. they say they have a commitment to bipartisanship and to change. senators, thank you so much for being here. barack obama, sworn into a second term. senator, how do you think his second term will be different? how do you hope it will be different? >> we know the country is facing major challenges. we're starting with the challenge of bringing the debt down. but then there are so many opportunities for our country. the economy's now more stable. we can move for